Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Intangible Assets [Line Items] | |||||
| Intangibles with indefinite lives - Trademarks | $ 43.8 | $ 43.8 | |||
| Intangibles with definite lives | 394.3 | 390.7 | |||
| Less accumulated amortization | (125.6) | (123.7) | |||
| Intangibles with definite lives, net | 268.7 | 267.0 | |||
| Intangibles, net | 312.5 | [1] | 310.8 | ||
| Customer relationships | |||||
| Intangible Assets [Line Items] | |||||
| Intangibles with definite lives | 160.0 | 167.1 | |||
| Permits | |||||
| Intangible Assets [Line Items] | |||||
| Intangibles with definite lives | 189.9 | 178.1 | |||
| Other | |||||
| Intangible Assets [Line Items] | |||||
| Intangibles with definite lives | $ 44.4 | $ 45.5 | |||
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- Definition Intangible Assets No definition available.
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- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated amortization, of finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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